Page values for "Patent DE-1912-12-23-Albert Hirth"
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"Patents" values
1 row is stored for this page| Field | Field type | Allowed values | Value |
|---|---|---|---|
| Year_filed | Date | 1912 | |
| Office | Page | DE | |
| Inventors | List of Page, delimiter: ; | Albert Hirth | |
| Inventor_country | List of Page, delimiter: ; | DE | |
| Applicant_person | List of Page, delimiter: ; | Albert Hirth | |
| Applicant_type | List of String, delimiter: ; | INDIV | |
| Applicant_is_inventor | Boolean | Yes | |
| English_title | String | Propeller with adjustable blades | |
| Tech_fields | List of Page, delimiter: ; | Airplane • Propellers | |
| Filing_date | Date | 1912-12-23 | |
| Related_to_aircraft | String | Yes · Partially · No | 1 |
| Family_year | Date | 1912 | |
| First_filing | Boolean | No |
